<!DOCTYPE html>
<html>
    <head>
            <meta charset="utf-8">
            <title>Bootstrap 实例 - 图像</title>
            <link rel="stylesheet" href="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/css/bootstrap.min.css">  
            <script src="http://cdn.static.runoob.com/libs/jquery/2.1.1/jquery.min.js"></script>
            <script src="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/js/bootstrap.min.js"></script>
    </head>
    <body>
        <img src="./../psb2.jpg" style="width:200px; height:300px;" class="img-rounded" >
        <img src="./../psb2.jpg" style="width:200px; height:300px;" class="img-circle" >
        <img src="./../psb2.jpg" style="width:200px; height:300px;" class="img-thumbnail" >
        <img src="./../psb2.jpg" style="width:200px; height:200px;" class="img-circle" >
    </body>
</html>